Home / 18,455,321.80-27,674,688.30-7,091,993.80

Finding the Fourth Proportional to 18,455,321.80, 27,674,688.30 and 7,091,993.80

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Solution

The fourth proportional to 18,455,321.80, 27,674,688.30 and 7,091,993.80 is: 10,634,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,321.80 : 27,674,688.30 = 7,091,993.80 : x
  2. Step 2: Convert to fraction form
    18,455,321.80/27,674,688.30 = 7,091,993.80/x
  3. Step 3: Cross multiply
    18,455,321.80x = 27,674,688.30 × 7,091,993.80
  4. Step 4: Simplify right side
    18,455,321.80x = 196,268,717,840,532.53
  5. Step 5: Solve for x
    x = 196,268,717,840,532.53/18,455,321.80
  6. Step 6: Final answer
    x = 10,634,803.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.